US3001031A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-supporting electro-mechanical transducer assembly
Assignee: Astatic Corp
•
Filing: 1954-11-18
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Granted: 1961-09-19
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Expires: 1974-11-18
Abstract
No abstract record available.
Inventors
- 👤 James M Jacque
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:23
CPC Classifications
H; H04; H04R; H04R17/00; H04R17/04; H04R17/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2106051A
Cited
US2177692A
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US2328478A
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US2594948A
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US2625663A
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US2614143A
Cited
US2900536A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-18 | 1965-03-20 | 1965-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-18 | 1969-03-20 | 1969-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-18 | 1973-03-20 | 1973-09-19 | $7700.00 | Window Closed / Lapsed |